.login-container {
    height: 100%;
    width: 300px;
    padding: 20px;
    margin: 0 auto;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: #f9f9f9;
}

h2 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
}

input {
    padding: 5px;
    margin-bottom: 10px;
}

button {
    padding: 8px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#login_btn {
    display: flex;
}

#login_button,
#login_back {
    flex: 1;
}

.null {
    width: 20px;
}